12823755 has 16 divisors (see below), whose sum is σ = 23449344. Its totient is φ = 5862240.

The previous prime is 12823753. The next prime is 12823757. The reversal of 12823755 is 55732821.

It is an interprime number because it is at equal distance from previous prime (12823753) and next prime (12823757).

It is not a de Polignac number, because 12823755 - 2¹ = 12823753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12823751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60961 + ... + 61170.

It is an arithmetic number, because the mean of its divisors is an integer number (1465584).

Almost surely, 2^12823755 is an apocalyptic number.

12823755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12823755 is a deficient number, since it is larger than the sum of its proper divisors (10625589).

12823755 is a wasteful number, since it uses less digits than its factorization.

12823755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122146.

The product of its digits is 16800, while the sum is 33.

The square root of 12823755 is about 3581.0270873033. The cubic root of 12823755 is about 234.0660380492.

The spelling of 12823755 in words is "twelve million, eight hundred twenty-three thousand, seven hundred fifty-five".